Magnetars, free precession, and superfluidity

Details Magnetars, free precession, and superfluidity Magnetars, free precession, and superfluidity

Sep 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aipc.1379...23j&link_type=abstract

ASTROPHYSICS OF NEUTRON STARS 2010: A Conference in Honor of M. Ali Alpar. AIP Conference Proceedings, Volume 1379, pp. 23-26 (

Astronomy and Astrophysics

Astrophysics

Pulsars, Stellar Structure, Interstellar Magnetic Fields, Superfluidity, Pulsars, Stellar Structure, Interiors, Evolution, Nucleosynthesis, Ages, Magnetic And Electric Fields, Polarization Of Starlight, Hydrodynamic Aspects Of Superfluidity, Quantum Fluids

Scientific paper

In this paper we describe how we can exploit the current status of magnetar observations to draw a non-trivial conclusion regarding their structure. Specifically, we take two observational results, viz that magnetars do not seem to precess, and do not have magnetic axes either parallel or orthogonal to their spin axes, to argue that either their crusts are maximally strained, or that the stars contain pinned superfluids. We speculate on some possible further consequences of the ideas developed in constructing this argument.

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